Masoud PezeshkianFabian HinzVladimir PutinJim LamsonCIAIslamic Revolutionary Guard CorpsEarth EyeJames Martin Center for Nonproliferation StudiesConflict Armament ResearchThe Financial Times

Russia secretly helps Iran develop supersonic missiles that could threaten US warships in the Middle East, report says

Russia is reportedly aiding Iran in developing supersonic cruise missiles that could threaten US warships in the Middle East. The secret program, C430L, began in 2023 and involves advanced ramjet technology, enhancing Iran's missile capabilities significantly, according to a report by The Financial Times.

NDTV2 September 2026 · 22:39 UTC
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Russia is reportedly assisting Iran in developing a new generation of supersonic cruise missiles that could pose a significant threat to US naval forces in the Middle East. The program, codenamed C430L, began in 2023 and focuses on advanced ramjet technology, enabling missiles to travel at several times the speed of sound.1237

According to The Financial Times, this technology could provide Iran with a faster, harder-to-intercept missile, drastically reducing the time Western air defense systems have to respond to an incoming attack. Fabian Hinz, a senior analyst with Conflict Armament Research, emphasized the strategic significance of this transfer, stating, “This is the transfer of a highly strategically sensitive military technology from Russia that the Iranians have wanted to acquire for decades.”6

Preparations for the C430L deal reportedly began before the contract was signed in November 2023, shortly after the October 7 attacks. Jim Lamson, a former CIA analyst, noted that this missile system would provide Iran with a qualitatively new strategic weapon capable of threatening US Navy vessels.4

The cooperation on missile technology comes amid broader allegations that Russia has been providing Iran with military assistance, including satellite imagery, drone support, and weapons components. Russian President Vladimir Putin has assured continued support for Iran, stating, “We are trying to give you the help you need in this difficult period.”8

Key Insight
“The secret programme, codenamed C430L, began in 2023 and uses ramjet propulsion to make missiles harder to intercept. Putin promised continued support to Iran's president on Tuesday, saying Moscow is 'supplying you with the goods you need'.”
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“Russia has been quietly helping Iran develop a new generation of supersonic cruise missiles capable of being a threat to US aircraft carriers and warships in the Middle East, according to a report by .”
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